1662145310031 has 16 divisors (see below), whose sum is σ = 2265108773760. Its totient is φ = 1083842327520.

The previous prime is 1662145309949. The next prime is 1662145310053. The reversal of 1662145310031 is 1300135412661.

It is a happy number.

It is not a de Polignac number, because 1662145310031 - 2¹⁴ = 1662145293647 is a prime.

It is a super-2 number, since 2×1662145310031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1662145309974 and 1662145310001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662145310081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25338085 + ... + 25403598.

It is an arithmetic number, because the mean of its divisors is an integer number (141569298360).

Almost surely, 2^{1662145310031} is an apocalyptic number.

1662145310031 is a deficient number, since it is larger than the sum of its proper divisors (602963463729).

1662145310031 is a wasteful number, since it uses less digits than its factorization.

1662145310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50741926.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 1662145310031 in words is "one trillion, six hundred sixty-two billion, one hundred forty-five million, three hundred ten thousand, thirty-one".